New Dockerfile and update on Readme

Signed-off-by: Hannes Schaller <admin@cyberkov.at> (github: cyberkov)

Dockerfile

@@ -0,0 +1,46 @@
+# openhab image for x86
+FROM ubuntu:trusty
+
+RUN \
+    apt-get update && \
+    apt-get install -y wget unzip software-properties-common && \      
+    rm -rf /var/lib/apt/lists/*
+
+# Install dockerize
+RUN \
+    wget -nv https://github.com/jwilder/dockerize/releases/download/v0.2.0/dockerize-linux-amd64-v0.2.0.tar.gz &&\
+    tar -C /usr/local/bin -xzvf dockerize-linux-amd64-v0.2.0.tar.gz &&\
+    rm dockerize-linux-amd64-v0.2.0.tar.gz
+
+# Install Oracle Java
+RUN \
+    echo oracle-java8-installer shared/accepted-oracle-license-v1-1 select true | debconf-set-selections && \
+    add-apt-repository -y ppa:webupd8team/java && \
+    apt-get update && \
+    apt-get install -y oracle-java8-installer && \      
+    rm -rf /var/lib/apt/lists/* && \
+    rm -rf /var/cache/oracle-jdk8-installer
+
+ENV DOWNLOAD_URL="https://openhab.ci.cloudbees.com/job/openHAB-Distribution/lastSuccessfulBuild/artifact/distributions/openhab-online/target/openhab-online-2.0.0-SNAPSHOT.zip" \
+    APPDIR="/openhab"
+
+# Add openhab user
+RUN adduser --disabled-password --gecos '' --home ${APPDIR} openhab &&\
+    adduser openhab sudo &&\
+    adduser openhab dialout &&\
+    echo '%sudo ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers.d/openhab
+
+USER openhab
+
+WORKDIR ${APPDIR}
+
+RUN \
+    wget -nv -O /tmp/openhab.zip ${DOWNLOAD_URL} &&\
+    unzip -q /tmp/openhab.zip -d ${APPDIR} &&\
+    rm /tmp/openhab.zip
+
+RUN mkdir -p ${APPDIR}/userdata/logs && touch ${APPDIR}/userdata/logs/openhab.log
+# Expose volume with configuration and userdata dir
+VOLUME ${APPDIR}/conf ${APPDIR}/userdata
+EXPOSE 8080 8443 5555
+CMD dockerize -stdout ${APPDIR}/userdata/logs/openhab.log ${APPDIR}/start.sh server

README.md

@@ -1,2 +1,35 @@
 # openhab-docker
 Repository for building docker containers for openHAB
+
+## Usage
+
+```
+docker run \
+        --name openhab \
+        --net=host \
+        -v /etc/localtime:/etc/localtime:ro \
+        -v /opt/openhab/conf:/openhab/conf \
+        -v /opt/openhab/userdata:/openhab/userdata \
+        openhab/openhab
+```
+
+or with docker-compose.yml
+```
+openhab:
+  image: 'openhab/openhab'
+  net: "host"
+  volumes:
+    - '/etc/localtime:/etc/localtime:ro'
+    - '/opt/openhab/conf:/openhab/conf'
+    - '/opt/openhab/userdata:/openhab/userdata'
+  devices:
+    - '/dev/ttyUSB0'
+```
+then start with ```docker-compose up -d```
+
+**Parameters**
+
+* `-p 8080` - the port of the webinterface
+* `-v /openhab/conf` - openhab configs
+* `-v /openhab/userdata` - openhab userdata directory
+* `--device=/dev/ttyUSB0` - attach your devices like RFXCOM or Z-Wave Sticks to the conatiner